Massivemarkets

SEC Form 4

SL Green Realty Corp. (SLG) insider trading

In the 12 months to Oct 23, 2026, 4 SLG insiders reported open-market sales of $3.6M across 4 filings; no open-market purchases were filed.

Latest filing · Last 12 months · Source: SEC EDGAR · How we count

Open-market sales
$3.6M
4 filings · 4 insiders
Open-market purchases
$0
0 filings

Who traded SLG, and when

  • Sale

SLG daily close from Oct 23, 2025 to Oct 23, 2026, between $35.33 and $59.83, last $49.04. 4 sale and 0 purchase filings by 4 insiders, marked at their filing dates. Harrison Sitomer, PRESIDENT & CIO: sold $2.3M across 1 filing, first filed Aug 24, 2026, last Aug 24, 2026. Marc Holliday, PRESIDENT & CEO: sold $986.7K across 1 filing, first filed Dec 29, 2025, last Dec 29, 2025. Carol N. Brown, Director: sold $181.8K across 1 filing, first filed Mar 30, 2026, last Mar 30, 2026. Andrew S. Levine, CHIEF LEGAL OFFICER & GC: sold $67.6K across 1 filing, first filed Dec 23, 2025, last Dec 23, 2025.

Largest mark · tap a row for others

Harrison Sitomer · PRESIDENT & CIO

Sale $2,322,235

40,000 shares at $58.06 avg

Filed Aug 24, 2026 · traded Aug 20

Close on filing date $58.57

SLG daily closelast $49.04

Harrison Sitomer · PRESIDENT & CIO

$2.3M sold

Marc Holliday · PRESIDENT & CEO

$986.7K sold

Carol N. Brown · Director

$181.8K sold

Andrew S. Levine · CHIEF LEGAL OFFICER & GC

$67.6K sold
One row per insider; marks sit at the SEC filing date, sized by dollar value.

Has SL Green Realty Corp.'s CEO sold stock?

Yes. Marc Holliday (CEO) sold 22,223 shares ($986.7K) in Dec 2025.

Open-market trades

4 filings in the last 12 months
InsiderRoleSoldBoughtFilingsPre-arranged (10b5-1)Last filed
Harrison SitomerPRESIDENT & CIO$2.3M—1—
Marc HollidayPRESIDENT & CEO$986.7K—1—
Carol N. BrownDirector$181.8K—1—
Andrew S. LevineCHIEF LEGAL OFFICER & GC$67.6K—1—
Other insider activity (not market trades) · 6 records
  • Grants and awards4 records
  • Other2 records

Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.

Build this yourself

This page joins two Massive endpoints: Form 4 filings and daily prices. Ask an agent to watch for new filings:

Agent prompt

Using the Massive API (massive.com/docs/llms.txt), check Form 4 filings for SLG every day with transaction_code=P and tell me when an insider files an open-market purchase, with their role, shares, price and the filing link.

How to read this page

Open-market purchase or sale
A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
Filing date
Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.